
package entities;
import java.util.*;
/**
 *
 * @author Dragan Sahpaski
 */
public interface IView extends Iterable<Relation> {
    public int dimensionCount();
    public int getNumberOfTuples();
    public List<Relation> getRelations();
    public List<IView> getAllParents();
    // public List<IView> getChildren();
    public boolean isRootView();
}
